agum-2.0: ChangeLog

2009-08-29  John D. Ramsdell  <ramsdell@mitre.org>

	* src/Algebra/AbelianGroup/UnificationMatching.hs (Substitution,
	apply): Hid the representation of a substitution and supplied a
	function for applying a substitution to a term.

	* agum.cabal (Version): Released as version 2.0.